<?php

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty debug_print_var modifier plugin
 *
 * Type:     modifier<br>
 * Name:     debug_print_var<br>
 * Purpose:  formats variable contents for display in the console
 * @link http://smarty.php.net/manual/en/language.modifier.debug.print.var.php
 *          debug_print_var (Smarty online manual)
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @param array|object
 * @param integer
 * @param integer
 * @return string
 */
function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40) {
	$_replace = array(
			"\n" => '<i>\n</i>',"\r" => '<i>\r</i>',"\t" => '<i>\t</i>' 
	);
	
	switch (gettype($var)) {
		case 'array':
			$results = '<b>Array (' . count($var) . ')</b>';
			foreach ($var as $curr_key => $curr_val) {
				$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b>' . strtr($curr_key, $_replace) . '</b> =&gt; ' . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
				$depth--;
			}
			break;
		case 'object':
			$object_vars = get_object_vars($var);
			$results = '<b>' . get_class($var) . ' Object (' . count($object_vars) . ')</b>';
			foreach ($object_vars as $curr_key => $curr_val) {
				$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b> -&gt;' . strtr($curr_key, $_replace) . '</b> = ' . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
				$depth--;
			}
			break;
		case 'boolean':
		case 'NULL':
		case 'resource':
			if (true === $var) {
				$results = 'true';
			} elseif (false === $var) {
				$results = 'false';
			} elseif (null === $var) {
				$results = 'null';
			} else {
				$results = htmlspecialchars((string)$var);
			}
			$results = '<i>' . $results . '</i>';
			break;
		case 'integer':
		case 'float':
			$results = htmlspecialchars((string)$var);
			break;
		case 'string':
			$results = strtr($var, $_replace);
			if (strlen($var) > $length) {
				$results = substr($var, 0, $length - 3) . '...';
			}
			$results = htmlspecialchars('"' . $results . '"');
			break;
		case 'unknown type':
		default:
			$results = strtr((string)$var, $_replace);
			if (strlen($results) > $length) {
				$results = substr($results, 0, $length - 3) . '...';
			}
			$results = htmlspecialchars($results);
	}
	
	return $results;
}

/* vim: set expandtab: */

?>
